Yes, airlines should pair people by weight - skinny next to obese;
by interest: poker players from row 5 - 9 ; by common interest: quilting from
row 10 -11 and only on flights to Utah; by marital status: singles who seek a
romantic connection sit in row 40 - 48 in the back of the plane with dimmed lights. All kids should be seated together in a sound proof cabin somewhere
adjacent to the plane - something like this: